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CERN Document Server 找到 80 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.60 秒. 
1.
Flux Modulations seen by the Muon Veto of the GERDA Experiment / GERDA Collaboration
The GERDA experiment at LNGS of INFN is equipped with an active muon veto. The main part of the system is a water Cherenkov veto with 66~PMTs in the water tank surrounding the GERDA cryostat. [...]
arXiv:1601.06007.- 2016-11 - 7 p. - Published in : Astropart. Phys. 84 (2016) 29-35 Preprint: PDF; External link: Preprint
2.
Managing Bias Leakage Currents and High Data Rates in the BABAR Silicon Vertex Tracker / Garra-Tico, J (U. Barcelona (main)) ; Re, V (Bergamo U.) ; Bondioli, M ; Bruinsma, M (UC, Irvine (main)) ; Curry, S (UC, Irvine (main)) ; Kirkby, D (UC, Irvine (main)) ; Burke, S (UC, Santa Barbara (main)) ; Callahan, D (UC, Santa Barbara (main)) ; Campagnari, C (UC, Santa Barbara (main)) ; Cunha, A (UC, Santa Barbara (main)) et al.
The silicon vertex tracker at the BABAR experiment is the primary device used in measuring the distance between B0 and meson decay vertices for the extraction of CP asymmetries. It consists of five layers of double-sided, AC-coupled silicon modules, read out by custom integrated circuits. [...]
2008 - 5 p. - Published in : 10.1142/9789812819093_0173
In : 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy, 8 - 12 Oct 2007, pp.1024-1028
3.
Does the Intel Xeon Phi processor fit HEP workloads? / Nowak, Andrzej (CERN) ; Bitzes, Georgios (CERN) ; Dotti, A (CERN) ; Lazzaro, A (CERN) ; Jarp, Sverre (CERN) ; Szostek, Pawel (CERN) ; Valsan, L (CERN) ; Botezatu, M (CERN) ; Leduc, J (CERN)
This paper summarizes the five years of CERN openlab's efforts focused on the Intel Xeon Phi co-processor, from the time of its inception to public release. We consider the architecture of the device vis a vis the characteristics of HEP software and identify key opportunities for HEP processing, as well as scaling limitations. [...]
2014 - 9 p. - Published in : J. Phys.: Conf. Ser. 513 (2014) 052024
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.052024
4.
Report on the parallelization of the MLfit benchmark using OpenMP and MPI / Lazzaro, Alfio ; Jarp, Sverre ; Leduc, Julien (CERN) ; Nowak, Andrzej (CERN) ; Valsan, Liviu (U. Polytechnic Bucharest)
This report describes the development of an MPI parallelization support on top of the existing OpenMP parallel version of the MLfit benchmark for a hybrid evaluation on multicore and distributed computational hosts. [...]
CERN-OPEN-2014-030.
- 2012. - 9 p.
Preprint
5.
Comparison of Software Technologies for Vectorization and Parallelization / Lazzaro, Alfio ; Jarp, Sverre ; Nowak, Andrzej (CERN) ; Valsan, Liviu (U. Polytechnic Bucharest)
This paper demonstrates how modern software development methodologies can be used to give an existing sequential application a considerable performance speed-up on modern x86 server systems. [...]
CERN-OPEN-2014-029.
- 2012. - 22 p.
Preprint
6.
Many-core experience with HEP software at CERN openlab / Jarp, Sverre (CERN) ; Lazzaro, Alfio (CERN) ; Leduc, Julien (CERN) ; Nowak, Andrzej (CERN)
The continued progression of Moore's law has led to many-core platforms becoming easily accessible commodity equipment. New opportunities that arose from this change have also brought new challenges: harnessing the raw potential of computation of such a platform is not always a straightforward task. [...]
2012 - 26 p.

In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.042043
7.
The future of commodity computing and many-core versus the interests of HEP software / Jarp, Sverre (CERN) ; Lazzaro, Alfio (CERN) ; Nowak, Andrzej (CERN)
As the mainstream computing world has shifted from multi-core to many-core platforms, the situation for software developers has changed as well. With the numerous hardware and software options available, choices balancing programmability and performance are becoming a significant challenge. [...]
2012 - 13 p.

In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.052058
8.
Search for lepton flavour violation in the $e\mu$ continuum with the ATLAS detector in $\sqrt{s}$ = 7 TeV pp collisions at the LHC / ATLAS Collaboration
This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark ($\tilde{t}$) in the $e^{\pm}\mu^{\pm}$ continuum using 2.1/fb of data collected by the ATLAS detector in $\sqrt{s}$ = 7 TeV pp collisions at the Large Hadron Collider. Data are found to be consistent with the expectation from the Standard Model backgrounds. [...]
arXiv:1205.0725; CERN-PH-EP-2012-108; CERN-PH-EP-2012-108.- Geneva : CERN, 2012-06-14 - 6 p. - Published in : Eur. Phys. J. C 72 (2012) 2040 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
9.
Evaluation of the Intel Sandy Bridge-EP server processor / Jarp, S ; Lazzaro, A ; Leduc, J (CERN) ; Nowak, A (CERN)
In this paper we report on a set of benchmark results recently obtained by CERN openlab when comparing an 8-core “Sandy Bridge-EP” processor with Intel’s previous microarchitecture, the “Westmere-EP”. [...]
CERN-IT-Note-2012-005.
- 2012. - 20 p.
Access to fulltext
10.
Evaluation of the Intel Westmere-EX server processor / Jarp, S ; Lazzaro, A ; Leduc, J (CERN) ; Nowak, A (CERN)
One year after the arrival of the Intel Xeon 7500 systems (“Nehalem-EX”), CERN openlab is presenting a set of benchmark results obtained when running on the new Xeon E7-4870 Processors, representing the “Westmere-EX” family. [...]
CERN-IT-Note-2012-001 ; CERN openlab.
- 2011. - 23 p.
Access to fulltext

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